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BiCuSeO Thermoelectrics: An Update on Recent Progress and Perspective.

Xiaoxuan Zhang1, Cheng Chang2, Yiming Zhou3

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Materials (Basel, Switzerland)
|August 5, 2017
PubMed
Summary

Bismuth copper selenide oxide (BiCuSeO) shows great potential as a thermoelectric material. Recent studies have significantly improved its performance through various optimization strategies, paving the way for future advancements.

Keywords:
BiCuSeOSeebeck coefficientelectrical conductivitythermal conductivitythermoelectric

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Area of Science:

  • Materials Science
  • Solid State Chemistry
  • Energy Conversion

Background:

  • Bismuth copper selenide oxide (BiCuSeO) has emerged as a significant thermoelectric material since 2010.
  • Recent research has focused on enhancing its thermoelectric figure of merit (ZT).
  • This review consolidates recent progress in the field.

Purpose of the Study:

  • To systematically review recent advancements in the BiCuSeO thermoelectric system.
  • To explore strategies for optimizing thermoelectric properties.
  • To identify future research directions for improved performance.

Main Methods:

  • Review of recent literature on BiCuSeO optimization.
  • Analysis of studies investigating the origins of low thermal conductivity.
  • Summarization of enhancement approaches like modulation doping, dual-vacancies, and dual-doping.

Main Results:

  • BiCuSeO exhibits promising thermoelectric properties.
  • Various methods have been employed to enhance its thermoelectric figure of merit (ZT).
  • Low thermal conductivity is a key area of investigation.

Conclusions:

  • Significant progress has been made in optimizing BiCuSeO for thermoelectric applications.
  • Further research is needed to explore novel strategies for performance enhancement.
  • The BiCuSeO system holds considerable promise for future thermoelectric devices.